Canada plans to respond to US President Donald Trump's new tariffs on Tuesday, as the once close neighbouring allies spiral into a trade war. A deal a breakdown then tariffs Trumps trade war with Canada explained Key points and original sources are listed below.

• Canada plans to respond to US President Donald Trump's new tariffs on Tuesday, as the once close neighbouring allies spiral into a trade war. Ottawa and Washington failed to reach a deal on Friday to avert new 50 percent US tariffs on select Canadian goods aft...S1

• A deal a breakdown then tariffs Trumps trade war with Canada explainedS2